.photo-grid .lt-responsive-img {
  width: 100%;
}
.window-width > img {
  width: 100%;
}
.window-height > img {
  height: 100%;
}
iframe.aprilfools {
  border: 0;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
}
iframe.debug {
  top: 100px;
}